(3) Round Brilliant Cut Diamonds. 0.44cts Total, VS Clarity, G Color.18k Yellow Gold, 5.9 grams. The item "Roberto Coin Designer 3-Stone Diamond Necklace" is in sale since Monday, April 24, 2017. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond". The seller is "prestigejewels" and is located in Grosse Pointe, Michigan. This item can be shipped to United States.